The Code Book

The Code Book

4.11 - 1251 ratings - Source

In his first book since the bestselling Fermat's Enigma, Simon Singh offers the first sweeping history of encryption, tracing its evolution and revealing the dramatic effects codes have had on wars, nations, and individual lives. From Mary, Queen of Scots, trapped by her own code, to the Navajo Code Talkers who helped the Allies win World War II, to the incredible (and incredibly simple) logisitical breakthrough that made Internet commerce secure, The Code Book tells the story of the most powerful intellectual weapon ever known: secrecy. Throughout the text are clear technical and mathematical explanations, and portraits of the remarkable personalities who wrote and broke the world's most difficult codes. Accessible, compelling, and remarkably far-reaching, this book will forever alter your view of history and what drives it. It will also make yo wonder how private that e-mail you just sent really is. From the Trade Paperback edition.The act of turning on a light switch is a function, because it turns an ordinary lightbulb into an illuminated lightbulb. This function is two-way because if a switch is turned on, it is easy enough to turn it off and return the lightbulb to its original state. However, Diffie ... As the name suggests, a one-way function is easy to do but very difficult to undo. In other ... To work out 2 + 3, we start at Z and move around 3 places to reach 5, which is the same answer as in normal arithmetic. To work out Zanbsp;...

Title:The Code Book
Author:Simon Singh
Publisher:Anchor - 2011-01-26


You Must CONTINUE and create a free account to access unlimited downloads & streaming